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OpenStudy (twizttiez):
Solve, using the substitution method. 2x + 4y = 16 x – 7 = – 4y A.(0,-7) B.(0,7/4) C.(9,-1/2) D.(17,-5/2)
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OpenStudy (anonymous):
Alright, once more turn it into y=
OpenStudy (anonymous):
This time it's a bit more complicated, but it'll be easier to do it to the first equation okay?
OpenStudy (twizttiez):
I think it's C
OpenStudy (danjs):
well if you dont care of the process to the solution, just plug in x = 9 and y = -1/2 and see if the equations both stand true
OpenStudy (twizttiez):
I did but i gtg thanks her is a medal
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OpenStudy (alekos):
Just plug the values in and see if lhs=rhs
OpenStudy (twizttiez):
Bye!
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